Comparison of OCR Accuracy on Early Printed Books using the Open Source Engines Calamari and OCRopus.Wick, Christoph; Reul, Christian; Puppe, Frank in JLCL: Special Issue on Automatic Text and Layout Recognition (2019).

State of the Art Optical Character Recognition of 19th Century Fraktur Scripts using Open Source Engines.Reul, Christian; Springmann, Uwe; Wick, Christoph; Puppe, Frank in DHd 2019 (accepted for). Preprint available at arXiv. (2018).

ILMAX: A System for Managing Experience Knowledge in a long-term Study of Stream Ecosystem Regeneration - An Application of Ecological Informatics.Neumann, Michael; Baumeister, Joachim; Puppe, Frank in Management of Environmental Quality: An International Journal (2004). 15(3) 306-317.